Raz Iacob: “What’s your favorite obscure PHP fact? Mine is that == can…”

Raz Iacob @raz-iacobOct 30

What’s your favorite obscure PHP fact? Mine is that == can make "0" == "0e123456" evaluate to true because PHP treats both as numbers in a loose comparison. 😂

15:55 · Oct 30, 2026commit ea04524

Arūnas Liuiza @ideagOct 30

0.1+0.2 != 0.3

Md. Khorshed Alam @robelsustOct 31

That 0e magic hash quirk caused so many real-world auth bypasses back in the PHP 5 and 7 days whenever people compared MD5 strings with == instead of hash_equals.

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